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Impact of Temperature on Zinc Oxide Particle Size by Using Sol-gel Process

机译：采用溶胶 - 凝胶工艺对温度对氧化锌粒径的影响

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Zinc oxide (ZnO) nanoparticles were prepared and synthesized via sol-gel method, by using citric acid as a precursor. The impact of annealing on the particle size was investigated. Based on the results from the Thermogravimetric Analysis (TGA), three different annealing temperature which is 500, 600 and 700 °C were chosen followed by the characterization of the ZnO nanoparticle by using Powder X-Ray Diffraction (PXRD), Transmission Electron Microscopy (TEM) and Field Emission Scanning Electron Microscopy (FESEM). Results showed that the crystallite size estimated from PXRD increased with the annealing temperature which was hexagonal structure for ZnO. TEM further revealed the same tendency which the Zn NPs size also increased with the annealing temperature.
机译：通过使用柠檬酸作为前体制备氧化锌（ZnO）纳米颗粒并通过溶胶 - 凝胶法合成。研究了退火对粒径的影响。基于来自热重分析（TGA）的结果，选择三种不同的退火温度，其选择为500,600和700℃，然后使用粉末X射线衍射（PXRD），透射电子显微镜（PXRD）表征ZnO纳米粒子（ TEM）和场发射扫描电子显微镜（FESEM）。结果表明，从PXRD估计的结晶尺寸随着ZnO的六边形结构的退火温度而增加。 TEM进一步揭示了Zn NPS尺寸随着退火温度增加的相同趋势。

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